Health

Recent cannabis use linked to extremes of nightly sleep duration

Recent cannabis use is linked to extremes of nightly sleep duration—less than 6 hours or more than 9 hours—reveals a study of a large representative sample of US adults, published online in the journal Regional Anesthesia ...

Gastroenterology

Esophageal acid exposure shorter with left lateral sleep position

(HealthDay)—During sleep, the left lateral decubitus position is associated with shorter esophageal acid exposure time and faster esophageal acid clearance, according to a study published in the February issue of The American ...

Psychology & Psychiatry

Sleep deprivation increases serotonin 2a receptor response in brain

The serotonin 2A (5-HT2A) receptor is widely distributed in the brain and plays a critical role in perception, cognition and psychosis. It is also responsible for the psychedelic effects of drugs, such as psilocybin (hallucinogenic ...

Neuroscience

Hit the sleep 'sweet spot' to keep brain sharp

Like so many other good things in life, sleep is best in moderation. A multiyear study of older adults found that both short and long sleepers experienced greater cognitive decline than people who slept a moderate amount, ...

Sleep disorders

Continued CPAP use cuts risk for death

Ongoing use of continuous positive airway pressure (CPAP) treatment is associated with lower all-cause mortality in patients with obstructive sleep apnea (OSA), according to a study published in the June issue of CHEST.

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