Good Sleep For Good Health

All About Sleep

Sleep makes you strong, makes you feel good. It is an important element of human flourishing and well-being, both subjectively and objectively. Sleep is necessary for a disjunct and balanced life. Your body and your brain are active when you sleep. We need to sleep long enough (quantity) and well enough (quality) to function well during waking hours. Nearly all physiological and behavioral functions in humans occur on a rhythmic basis, which in turn leads to diurnal rhythms in human performance capabilities. Sleepdex is dedicated to raising awareness of sleep issues and encouraging people to take sleep seriously.

About Insomnia - types, causes, solutions

Sleep Disorders - apnea, restless legs syndrome, narcolepy, and many more

Circadian rhythms - the cycles of the day and night

How healthy sleep helps you

Drowsy driving

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Tools for sleeping - bedding, medicines, etc.

(417) 609-7919 - naps, deep sleep, mythology of sleep

Sleep and physical and mental health

Most adults need around seven or eight hours of sleep every night to function well. Although many people claim they require less, doctors who study sleep find only 10% require significantly more or less sleep. A chronic lack of sleep and untreated sleep disorders may be factors in the development of cardiovascular disease, obesity, and diabetes.

"Sleep rock thy brain" – Shakespeare, Hamlet

Sleep is an active behavior. Your body and your brain are active when you sleep. Biochemical and neurobiological functions take place all night long. Contrary to popular belief, the brain does not "shut down" during sleep.

Featured: It's had to get going in the morning

sleeping cupid Why do we feel stiff in the morning? Many assume it’s because out bodies have been stuck in the same position for an extended period of time. We get stiff after sitting watching television without moving, so the same thing must be happening when we sleep, right? It’s not that simple, though. Inflammation in body tissue diminishes during sleep – this is part of the break our body gets while sleeping. In anticipation of waking, the cytokine levels rise very late in the sleep cycle. We also go through REM periods often late in the sleep cycle. During REM the large muscles are not moving. When we enter this last period of REM, inflammation may be low, but during the REM period cytokine levels rise in anticipation of waking. With more inflammation the muscles become stiff. After waking, this stiffness persists. The inflammation persists but moving around can help reduce stiffness.

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Sleep science facts you should know

  • 1) Sleeping enough while young helps prevent dementia when you get old
  • 2) Sleep deprivation is very bad
  • 3) You can learn while you sleep

External cues entrain the circadian cycle and keep the body "on track". External cues include both natural, environmental factors such as the weather and time of day; social cues include timing of work start-times, television show start and end times, and what others in the household and neighborhood are doing.

During the night, REM occurs every 90 minutes or so. Through the night, the REM episodes increase in duration while NREM periods decrease. Children and young adults have deep sleep in every NREM period. Older adults often have deep sleep only the first two periods.

Deep sleep good for the body.

REM sleep good for the mind.

Why does medicine focus on increasing sleep time and not on improving sleep quality?

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