REM (rapid eye movement) is the stage of sleep in which dreaming usually occurs.
Everything you need to know about dreaming and how to have a good night sleep.
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Dark and quiet room. Temperatures in the 60s to low 70s are considered best. Remove or turn off light sources like TVs, VCRs, and alarm clocks, and consider light blocking shades if you live in an urban area or sleep past sunrise. White noise machines or earplugs can be helpful for drowning out bothersome noise.