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Pregnant teenagers need 8–10 hours of night sleep, with brief naps to reach steady energy across school and prenatal demands.

Most healthy adults need 7–9 hours of sleep, while kids and teens need more; research links the best adult outcomes to about seven hours or more.

The bare minimum sleep for health depends on age, but adults should not drop below 7 hours per night on a regular basis.

Most adults need 7–9 hours nightly; kids and teens need more, with targets set by age from newborns (14–17 h) to older adults (7–8 h).

Most adults need 7–9 hours of sleep nightly to stay healthy; children and teens need 8–17 hours based on age, and older adults need 7–8.

Across life stages, recommended sleep spans 12–16 hours for infants down to 7–8 hours for older adults, based on expert consensus.

Sleeping over 10–12 hours a day with covid—plus lasting fatigue, confusion, or breathing trouble—signals a problem and warrants medical advice.

Most adults need 7–9 hours to support memory consolidation across multiple NREM–REM cycles.

For adults, regularly sleeping over 9–10 hours counts as too much sleep and can flag medical issues; track daytime function and see a clinician.

Most pregnant adults sleep best with 7–9 hours nightly, and many clinicians advise aiming for 8–10 hours during pregnancy.