Restless woman laying down

Sleep Disorders

From getting more peaceful sleep to identifying and addressing sleep disorders that may be impacting your health, learn more about sleep concerns to get the quality rest your body needs.
A woman yawning and tired at her office
Why Am I Sleepy in the Afternoon After Eating Lunch?
Medically reviewed by Chris Vincent, MD
woman sleeping
The Link Between Carbon Dioxide Retention and Sleep
Medically reviewed by Sanja Jelic, MD
A women suffering from insomnia.
Why WASO Has a Negative Effect on Sleep Quality
Medically reviewed by Jason DelCollo, DO
Calculating sleep efficiency may help to lead to changes that improve sleep quality and resolve insomnia
How to Improve Your Sleep Efficiency
Medically reviewed by Kashif J. Piracha, MD
Caucasian woman sleeping in bed
10 Top Health Benefits of Sleep
Medically reviewed by Isaac O. Opole, MD, PhD
Man sleeping in bed
Sleep Latency and Its Impact on Your Sleep
Medically reviewed by Sanja Jelic, MD
USA, New Jersey, Jersey City, Woman sleeping in bed
Adenosine's Effect on the Sleep-Wake Cycle
Medically reviewed by Sanja Jelic, MD
Man Wearing Cpap Mask While Suffering From Sleep Apnea By Woman On Bed At Home
How Much Do Different Sleep Apnea Treatments Cost?
Fact checked by Lisa Sullivan, MS
A woman experiences sleep inertia to stay asleep in the morning past her desired wake time and search for fixes, cures, and treatments
An Overview of Sleep Inertia
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
Man falling asleep behind while driving
How to Avoid Falling Asleep While Driving
Medically reviewed by Michael Menna, DO
Fitness trackers may track sleep with wearable technology by measuring movements, heart rate, or other factors
How to Use Fitness Trackers for Sleep Improvement
Fact checked by Lisa Sullivan, MS
how sleep restores the brain
Importance of Body and Mind Restoration During Sleep
Medically reviewed by Jason DelCollo, DO
Synapse in the brain
Definition and Possible Causes of Sleepiness
Medically reviewed by Sanja Jelic, MD
A driver who is tired while behind the wheel
Microsleep: Causes, Dangers, and Prevention
Medically reviewed by Sanja Jelic, MD
Good sleep hygiene promotes quality sleep.
What Is Sleep Hygiene?
Medically reviewed by Keri Peterson, MD
A man reaches to turn off his alarm clock after a false awakening and nightmare disturbed his REM sleep dreaming
False Awakening and Lucid Dreaming in REM Sleep
Medically reviewed by Anita C. Chandrasekaran, MD, MPH
There are several sleep cycles.
Arousal During the Stages of Sleep
Medically reviewed by Sanja Jelic, MD
Man sleeping peacefully
Alpha Waves and Your Sleep
Medically reviewed by Sanja Jelic, MD
High Angle View View Of Woman Sleeping On Bed
Overview of Entrainment of Circadian Rhythms in Sleep
Medically reviewed by Rochelle Collins, DO
Sleep apnea is a sleep disorder that causes dangerous pauses in breathing during sleep.
What Is the Link Between Sleep Apnea and Cancer?
Medically reviewed by Doru Paul, MD
A woman in a deep sleep.
Dreaming Sleep Brain Activity and Cycles
Medically reviewed by Sanja Jelic, MD
Woman in bed
How Teeth Grinding May Link to Sleep Apnea
Medically reviewed by Sumaya Ibraheem, DDS
Woman sleeping
The 9 Best Pillows for Snoring of 2021
Fact checked by Ashley Hall
Woman in eye mask asleep in bed
Diurnal Sleep and Disorders
Medically reviewed by Jason DelCollo, DO
High angle view of couple sleeping on bed at home
Circadian Rhythms and Their Impact on Sleep
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
A woman asleep in bed with cell phone next to her
The Biological Clock in Sleep Medicine
Medically reviewed by Rochelle Collins, DO
A woman sleeping in bed may experience hypnagogic jerks or sleep starts
What Is a Hypnagogic Jerk and What Causes Sleep Starts?
Medically reviewed by Rochelle Collins, DO
close up of woman's eye
Pupil Size Can Objectively Identify Sleepiness
Medically reviewed by Sanja Jelic, MD
Looking up some sleep-related words
Words to Expand Your Sleep Vocabulary
Medically reviewed by Jenny Sweigard, MD
Older woman having trouble sleeping
What Is Sleep Architecture?
Medically reviewed by Sanja Jelic, MD
A woman upside down in the forrest
Learn What Blind People See or Experience in Their Dreams
Medically reviewed by Kashif J. Piracha, MD
Child in bear costume sleepwalking due to a sleep behavior called a parasomnia
Symptoms, Causes, and Treatments of Parasomnias
Medically reviewed by Caitilin Kelly, MD
A woman sleeping in her bedroom may fall asleep and experience hypnagogic hallucinations due to narcolepsy
Overview of Hypnagogic Hallucinations During Sleep
Medically reviewed by Sanja Jelic, MD
Non-24-Hour Sleep-Wake Disorder
Medically reviewed by Sanja Jelic, MD
Young boy fast asleep in bed
The Stages of Sleep - Sleep Cycles – Sleeps Phases
By Mark Stibich, PhD
A woman's eyes remain closed while lying in bed even though the eyes may move during paradoxical, or REM, sleep
Paradoxical as a Sleep State and Disorder
Medically reviewed by Keri Peterson, MD
Preparing for a sleep study may include avoiding insomnia with good sleep habits, relaxation techniques, or sleeping pills
Tips to Prepare for a Sleep Study and Avoid Insomnia
Fact checked by Lisa Sullivan, MS
A man feels sleepiness due to untreated narcolepsy
World Narcolepsy Day: Recognizing Key Features
Medically reviewed by Sanja Jelic, MD
Tired man faces jet lag due to air travel
What Is Jet Lag?
Medically reviewed by Keri Peterson, MD
Woman sleeping in bed
15 Reasons to Talk to Your Doctor About Your Sleep
Medically reviewed by Keri Peterson, MD
Wearable activity trackers can monitor steps and encourage exercise, but they may worsen sleep by causing orthosomnia
Orthosomnia: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Jason DelCollo, DO
Sleeping Too Much
The Detrimental Effects of Too Much Sleep
Medically reviewed by Keri Peterson, MD
Woman may wake up fatigued due to sleep disorders like sleep apnea or not meeting sleep needs
Waking Up Tired: Reasons for Poor Sleep Quality
Medically reviewed by Sanja Jelic, MD
A restless man sitting on the edge of his bed at night
What Is Shift Work Sleep Disorder?
Medically reviewed by Jason DelCollo, DO
A picture of a man asleep on the couch with a computer on his lap.
Hypersomnia: Symptoms, Causes, Diagnosis, and Treatment
Medically reviewed by Caitilin Kelly, MD
Man sleepwalking with pillow
Sleepwalking: Symptoms, Causes, Treatment and More
Medically reviewed by Anju Goel, MD, MPH
person holding pill bottle
Dream Deprivation: How Loss of REM Sleep Impacts Health
Medically reviewed by Sanja Jelic, MD
A child having a nightmare
Treating and Preventing Night Terrors
Medically reviewed by Jenny Sweigard, MD
Man sleeping at desk
Somnolence and the Science of Drowsiness
Medically reviewed by Carly Snyder, MD
Physical effects of sleep deprivation include brain, pain, vital sign, and hormone changes
What Are the Physical Effects of Sleep Deprivation?
Medically reviewed by Sanja Jelic, MD
woman lying awake in bed
Sleep Deprivation: Overview and More
Medically reviewed by Jason DelCollo, DO
Man napping
Is Falling Asleep Too Fast a Sign of a Sleep Disorder?
Medically reviewed by Sanja Jelic, MD
Tired man driving car
Side Effects of Sleep Deprivation
Medically reviewed by Jason DelCollo, DO
Sleep apnea occurs in children more often than we think
10 Surprising Signs of Sleep Apnea in Children
Medically reviewed by Jonathan B. Jassey, DO
Depression and sleep deprivation are linked
The Link Between Sleep Deprivation and Depression
By Lauren Krouse
Restless legs syndrome causes include iron deficiency
Restless Legs Syndrome: Causes and Risk Factors
By Brandon Peters, MD
A woman with narcolepsy may fall asleep at her computer
Narcolepsy: Causes and Risk Factors
Medically reviewed by Sanja Jelic, MD
A women suffering from insomnia.
Insomnia: Causes and Risk Factors
Medically reviewed by Keri Peterson, MD
woman waking up in bed
What Causes Older People to Wake Up so Early
Medically reviewed by Sanja Jelic, MD
Woman's legs in bed
Willis-Ekbom Disease: Causes of Restless Legs Syndrome
Medically reviewed by Chris Vincent, MD