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Verywell Health on MSN5d
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.
Psychedelics Could Transform How We Sleep—Or If We Even Need It at All, New Theory Claims
Hallucinogens like DMT, psilocin, and LSD might rewrite the rules of sleep, blurring the line between dreams and reality.
Alzheimer’s risk rises when amount of deep sleep falls, study suggests
Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the ...
Parade on MSN12d
Getting Less of These Two Sleep Stages Can Give You an Alzheimer's-Like Brain
A new study reveals that not getting enough of specific stages in the sleep cycle may be linked to cognitive decline and ...
CNN13d
Alzheimer’s risk rises when amount of deep sleep falls, study suggests
Not spending enough time in the two deep stages of sleep — slow-wave and rapid eye movement, or REM, sleep — may hasten the deterioration of parts of the brain associated with Alzheimer’s ...