Sleep is when memory is consolidated. Cutting sleep to study more is the worst trade-off in academics — and the science is unambiguous.
Targets by Age
- Ages 6–12: 9–11 hours.
- Ages 13–18: 8–10 hours.
- Ages 18+: 7–9 hours.
- Naps: 20 min, before 4 pm only.
What Too Little Sleep Does
- 6 hours nightly = ~40% memory hit.
- Mood crashes, irritability spike.
- Weight gain (hunger hormones disturbed).
- Higher risk of anxiety, depression.
- Mimics ADHD symptoms in kids.
How to Sleep Better
- Same bedtime + wake time, weekends included.
- No screens 1 hour before bed.
- Cool, dark room.
- No caffeine after 2 pm.
- Phone out of bedroom.
Expert Insights & FAQs
Direct answers to common tutoring concerns
Is 5 hours enough during boards?
No — recall drops sharply. 7+ hours always wins.
Should students nap?
20-min naps before 4 pm — yes. Long afternoon naps disturb night sleep.
What if my child can't sleep due to anxiety?
Address anxiety with counsellor. First call free with Tutors Parliament.
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