News

Verywell Health on MSN6d
The 4 Stages of Sleep: What Happens During Each Cycle
REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.
Not prioritizing your sleep? Less deep sleep can potentially increase Alzheimer’s Risk: Study
A new study suggests that insufficient slow-wave and REM sleep may accelerate brain deterioration associated with Alzheimer's ...
Pulmonology Advisor4d
Sleep Stages and Comorbidities Affect Oxygen Re-Saturation Characteristics
Oxygen re-saturation during sleep is significantly affected by sleep stage and by cardiovascular and pulmonary comorbidities.
Tom's Guide29d
I took part in a gold standard sleep study to find out what happens during a sleep cycle — here are my results
“There are two types of sleep: Non-rapid eye-movement (NREM) sleep and rapid eye-movement (REM) sleep,” Dr Hare explains. “NREM sleep is divided into stages 1, 2 and 3.” REM sleep is when ...
Scientific American3d
Why People Feel ‘Tired but Wired’ after Little Sleep
People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists warn this is a false sense of energy ...
The Week15d
Should you sleep for seven hours? Or, is it nine?
Persistent sleep difficulties―trouble falling asleep, waking up frequently and unable to go back to sleep again, feeling exhausted despite having slept, experiencing headaches, or having trouble ...
Medscape1d
Sleep Parameters in Patients Using Pacemakers with Sleep Rate Function On
In nonrapid eye movement (NREM), a state of cardiovascular relaxation ... ocular movements is concentrated in rapid eye movement (REM) sleep. During this phase, fluctuations in arterial pressure ...