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Jun 18, 2024 · Stage 2 non-REM sleep is a period of light sleep before you enter deeper sleep. Your heartbeat and breathing slow, and muscles relax even further. Your body temperature drops and eye movements stop. Brain wave activity slows but is marked by brief bursts of electrical activity.
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What is sleep & how does it work?
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- Insomnia
- Sleep Apnea
- Restless Leg Syndrome
- Shift Work Disorder
- Narcolepsy
Insomnia is a chronic sleep condition characterized by difficulty sleeping. Some people have trouble falling asleep, others are unable to stay asleep, and some have trouble with both. Insomnia often causes excessive daytime sleepinessand fatigue. Cognitive behavioraltherapy (CBT)is the primary treatment for insomnia. CBT may also be combined with s...
Obstructive sleep apnea (OSA)is a condition in which the body stops breathing during sleep. These periods of no breathing, called apnea, happen because the airways of the throat become too narrow to allow air flow. Like insomnia, this condition can negatively affect sleep quality. The first line of treatment for OSA is a continuous positive airway ...
Restless leg syndrome (RLS)is a neurological disorder that causes an uncomfortable feeling in the legs, which occurs in the evening as bedtime approaches and when the individual is resting or trying to fall asleep. People with RLS often have trouble getting enough sleep because of their symptoms. Certain medications are FDA approved to help manage ...
Shift work disorder is a condition that commonly affects those who work outside of a regular 9-to-5 schedule. This disorder can cause an imbalance in the natural circadian rhythm, or sleep-wake cycle. People with this disorder are at a higher risk for increased daytime sleepiness and health issues. Treatment for shift work disorder includes strateg...
Narcolepsyis a chronic central nervous system disorder that causes extreme daytime sleepiness with “sleep attacks” along with poor sleep at night. Type I narcolepsy also causes cataplexy, which is a sudden, physical collapse caused by loss of muscle control. People with both type I and type II narcolepsy often experience extreme disruptions in thei...
Jul 1, 2020 · Theta waves are one of the five types of electrical pulses your brain produces. They tend to happen when you’re lightly sleeping, dreaming, or in a state of deep relaxation. Experts believe...
Sleep is a natural process that your body uses to rest and repair itself. While it might seem as simple as closing your eyes and nodding off, sleep is anything but simple. In fact, modern medicine’s understanding of sleep, what it does and how it works is just getting off the ground.
There are important electrical and chemical processes that happen in the brain and throughout the body during all the stages of sleep. Here’s how they affect our health: Sleep is prime time for...
Nov 30, 2020 · There are four sleep cycle stages, beginning with light sleep and ending with REM sleep. Each stage has a different effect on the body, and each is important for sleep quality.
Aug 3, 2023 · The five stages make one sleep cycle, which usually repeats every 90 to 110 minutes. Stage 1 non-REM sleep marks the transition from wakefulness to sleep. This stage typically lasts less than 10 minutes and is marked by a slowing of your heartbeat, breathing, eye movements, and the relaxation of your muscles.
