Sleep Needs

During exams, teens need 8–10 hours and adults need 7–9 hours nightly, with a short midday nap only when sleep debt builds.

Adults with a cold should aim for 8–10 hours at night plus short naps, with kids sleeping more by age.

Most adults with a fever do best with 7–9 hours at night plus extra naps—sleep as much as your body asks while staying hydrated.

During COVID recovery, most adults do best with 7–9 hours a night plus extra rest as symptoms ease.

A fifteen-year-old needs 8–10 hours of sleep nightly, with most teens landing near 9 hours for steady mood, learning, and growth.

Toddlers at 21 months usually need 11–14 hours of total sleep per day, often 10–12 hours at night plus a 1–2 hour nap.

Most nine-year-olds do best with 9–12 hours in 24 hours, with 10–11 hours hitting the sweet spot for many school-age kids.

Most seventeen-month-olds sleep 11–14 hours in 24 hours, with one daytime nap and a long night stretch.

A 12-year-old needs 9–12 hours of sleep per day; many do best with 9–10 hours during the school year.

A six-year-old needs 9–12 hours of sleep per day, with most children thriving around 10–11 hours.