Sleep stages, hormones, memory, appetite and immunity.
During sleep the brain cycles through light, deep and REM stages. Deep sleep supports body repair; REM supports memory and mood.
Short sleep raises hunger hormones, lowers focus and weakens immunity. Most adults need 7-9 hours.
This is general information, not a substitute for medical advice. If you have a medical condition, are pregnant, or take regular medication, talk to your doctor first.
General information for healthy adults, not medical advice. If you have a condition, are pregnant or take medication, ask your doctor.
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