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REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.
People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists ...
The eagle-eyed internet user Louise (@louise_c18) shared her shocking discovery, writing: ''Wait, so you're telling me the Travelodge logo is, in fact, a person sleeping and not hills?