The Consequences Of Sleep Deficiency And How To Manage Them

Medically reviewed by Melissa Guarnaccia, LCSW
Updated July 30, 2024by BetterHelp Editorial Team

Are you always feeling tired, grumpy, or unfocused? Sleep deficiency may affect your health, mood, and ability to carry out daily tasks. Many people struggle with not getting enough sleep or not sleeping well, which may lead to sleep deprivation. These problems may make it hard to learn, focus, and experience a sense of contentment.

When you don't get enough good-quality sleep, you may risk serious health problems, such as heart disease, diabetes, and mental health disorders. Learning how to work through sleep troubles may improve your sleep quality and overall mood. You may find it helpful to improve your sleep hygiene, consult your doctor, and work with a licensed therapist.

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Is poor sleep affecting your mental health?

How much sleep does the average person need?

Different age groups may need different amounts of sleep to function properly. For adults aged 18 and older, the recommended amount is typically seven to eight hours each night. However, some adults might sense they are rested with slightly less sleep, around six hours, while others might need up to nine hours. 

For healthy teenagers, the recommended amount is eight to 10 hours per night. Their bodies and minds are usually still developing, which can make getting adequate sleep important for growth and critical thinking.

Here’s a quick breakdown of recommended sleep durations by age group, according to the Sleep Foundation:

  • Infants (four to 12 months): 12 to 16 hours (including naps)
  • Toddlers (one to two years): 11 to 14 hours (including naps)
  • Children (three to five years): 10 to 13 hours (including naps)
  • School-age children (six to 12 years): Nine to 12 hours
  • Teens (13 to 18 years): Eight to 10 hours
  • Adults (18+ years): Seven hours or more

These sleep recommendations may promote the body's repair processes, mood regulation, and memory consolidation. Inadequate sleep may contribute to "sleep debt," which can affect your physical and mental health.

Identifying causes of sleep problems

Several factors can contribute to poor quality sleep. From stress and mental health concerns to specific sleep disorders or environmental factors, the causes of sleep deficiencies can vary.

Stress

Stress tends to be a common source of sleep problems. When a person experiences stress, their body usually releases hormones like cortisol, which can make it difficult to relax and fall asleep. During stressful periods, people may find themselves lying awake, worrying about various concerns.

Persistent stress can disrupt the sleep cycle and create a pattern of restless nights. If you don’t manage it properly, you may experience long-term problems related to sleep quality and overall health. 

Mental health disorders

Mental health challenges, such as depression, anxiety, and bipolar disorder, may severely affect sleep patterns. These conditions can contribute to insomnia or excessive sleeping. For instance, people with depression might find it hard to get out of bed and may experience hypersomnia (sleeping too much).

Anxiety disorders often lead to trouble falling asleep and staying asleep. In some cases, people might experience night terrors or panic attacks during the night, further disrupting their sleep cycles. 

Sleep disorders

Sleep disorders like insomnia, sleep apnea, and narcolepsy can play a role in poor sleep quality. Insomnia generally involves difficulty falling or staying asleep, which can lead to tiredness throughout the day. 

Sleep apnea, which typically involves breathing interruptions during sleep, can prevent a person from reaching deep, restful stages of sleep. Narcolepsy, another sleep disorder, can involve sudden sleep attacks and excessive daytime sleepiness, even after adequate sleep.

Poor sleep hygiene

The environment in which a person sleeps can greatly influence their sleep quality. Factors like noise, light, temperature, and even an uncomfortable mattress can disrupt sleep. A room that is too bright or noisy can also make it difficult to fall asleep and stay asleep.

An irregular sleep schedule can confuse the body's internal clock or circadian rhythm, potentially making it difficult to get adequate sleep. In addition, consuming caffeine too late in the afternoon or evening can lead to symptoms of sleep deprivation

Consequences of inadequate sleep

A lack of adequate sleep can affect many parts of your life, including mental and physical health. Let’s explore some key consequences linked to sleep deficiency.

Fatigue

Fatigue tends to be one of the most immediate and noticeable effects of sleep deprivation. When you do not get enough sleep, you may wake up tired rather than refreshed.

Fatigue can make everyday tasks seem harder to complete. It may reduce energy levels, making it difficult to stay active and alert during the day. If you struggle with chronic fatigue, you may find that your quality of life decreases. 

Impaired concentration

Chronic sleep deprivation may lead to impaired concentration and reduced cognitive function. When you are sleep-deprived, your ability to focus on tasks may weaken.

An inability to focus can greatly affect work and school performance. Tasks that usually take minimal effort can become time-consuming. A lack of concentration can also affect decision-making and problem-solving skills, potentially making it harder to perform well under pressure.

In addition, reaction times may slow down, which can increase the likelihood of errors or mishaps. This can be especially dangerous for activities requiring precision, like operating machinery or driving.

Memory problems

Getting enough sleep can be important for forming memories. Sleep usually helps store the memories and information learned throughout the day. When sleep is insufficient, the brain may struggle to process new information and maintain long-term memories.

If you have sleep deficiency, you may often experience short-term memory lapses. You might forget important appointments or tasks. Chronic lack of sleep can eventually cause more severe memory problems, affecting your ability to remember information over time.

These memory problems can have long-lasting impacts on personal and professional relationships. Forgetfulness may also worsen performance in academic and professional settings.

Mood swings

Sleep deficiency can affect mood. A lack of sleep may lead to irritability, anxiety, or even depression. Small problems may seem overwhelming, and emotional responses may be amplified. This can lead to conflicts in relationships and increased stress levels.

A consistent lack of sleep may increase the risk of developing mood disorders like depression, as well as anxiety. Psychological health may decline without proper rest, which can make it harder to have positive social interactions.

Physical health problems

Long-term sleep deprivation may lead to physical health problems. It may weaken the immune system, making your body more vulnerable to infections. Chronic sleep deficiency may also be linked to serious health conditions like high blood pressure and heart disease.

Additionally, poor sleep may increase the risk of weight gain and diabetes. Hormonal imbalances caused by insufficient sleep may affect appetite regulation, potentially leading to overeating and poor food choices.

Your physical performance in daily activities and exercise may also dwindle. You might experience increased muscle soreness and prolonged recovery times. You might also find it hard to maintain an active lifestyle, which can further exacerbate health problems.

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Strategies for better sleep

To reduce sleep deficiency, you can try various strategies to develop better habits and promote restful sleep.

Maintain a regular sleep schedule

Going to bed and waking up at the same time every day may regulate your internal clock. Consistency usually reinforces the body's sleep-wake cycle. Try to keep the same sleep schedule, even on weekends or days off. This habit can make falling asleep and waking up easier.

A regular schedule can help you get enough quality sleep without the need for alarms. It can be important to ensure that your sleep window allows for seven to nine hours of rest. Try to avoid sleeping in late or taking extended naps, as these may disrupt your routine.

Create a relaxing bedtime routine

A calming bedtime routine can signal to your body that it's time to sleep. Try activities that help you unwind, such as quiet reading, gentle stretching, or listening to soothing music. Avoid stimulating activities, like using electronic devices or engaging in intense exercise, close to bedtime.

A warm bath or shower may also relax your muscles and prepare you for sleep. Consistent nightly routines can help your brain associate these activities with sleep, making it easier to fall asleep quickly.

Avoid caffeine and large meals before sleep

Caffeine, found in coffee, tea, chocolate, and some medications, can stay in your system for several hours. Consuming it late in the day may contribute to sleep difficulties. Try to stop consuming caffeine at least six hours before bedtime.

Large meals or spicy foods before bed can also lead to discomfort and indigestion, making it difficult to fall asleep. If you're hungry, it may be best to opt for light snacks and avoid heavy meals within three hours of bedtime.

Ensure a comfortable sleep environment

In general, the bedroom should be a sanctuary for sleep. Make sure it's dark, quiet, and cool. Consider using earplugs, a white noise machine, or blackout curtains to block out noise and light. 

Adjust the room temperature to a comfortable level. Most people sleep best in a slightly cool room, around 65°F (18.3°C). Keeping your sleep environment free from distractions and clutter may promote more restful sleep.

Manage stress and anxiety

Stress and anxiety can be common causes of sleep deficiency. Techniques like mindfulness, meditation, and deep-breathing exercises may calm the mind before bed. Writing down worries or making a to-do list can clear your mind of anxious thoughts. Regular physical activity during the day may also reduce stress levels. 

Avoid alcohol before bedtime

While alcohol might make you feel sleepy initially, it can interfere with sleep cycles, leading to poor sleep quality. It can also cause disruptive sleep patterns, leading you to wake up during the night.

Try to limit alcohol intake, especially in the late evening. Opt for non-caffeinated herbal teas or water instead. Eliminating alcohol close to bedtime may help you get deeper, more restorative sleep.

Seek professional help if needed

If you continue to struggle with sleep despite trying these strategies, consider seeking professional help. Sleep disorders, such as insomnia or sleep apnea, may require medical intervention or therapy.

A healthcare provider can provide medical advice and treatment options. They can also identify underlying causes of sleep problems, which may lead to improvements in sleep quality and overall well-being.

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Is poor sleep affecting your mental health?

Finding online support

Online therapy may be a valuable resource if you’re experiencing sleep problems. Sleep deprivation is often linked to mental health challenges like anxiety and depression. Various types of online therapy, such as cognitive behavioral therapy (CBT), may be effective in treating sleep-related problems.

Researchers have found that online CBT can improve sleep quality. In a 2023 study, the online program participants generally saw their sleep efficiency improve from 86% to 89.2%, showing that online treatment may help people sleep better.

BetterHelp is an online platform that can match you with a licensed therapist. It offers support through various means, like online chat, video conferences, and phone calls, providing flexible options to suit your needs. Available therapists may specialize in a range of concerns, including sleep deprivation and insomnia.

Takeaway

Sleep deficiency can have serious effects on the mind and body. When you don't sleep enough, you may be constantly tired and irritable. Prolonged sleep deprivation can even lead to memory problems and mental health challenges. For those experiencing sleep problems, various options are available for support, including sleep hygiene strategies and professional help. If your sleep struggles stem from mental concerns like stress and anxiety, you may find it helpful to work with a licensed therapist online or in your local area.

Learn the impacts of sleep deprivation
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