If you’re a member of the second group, you’ll know the frustration, fury and despair of a night without sleep. “Sleep makes us feel good, helps us learn, improves our concentration, helps us manage our weight, gives us greater self-control, reduces our risk of ill-health and is completely free of charge,” says sleep scientist Dr Sophie Bostock. A 2022 paper from Cambridge University agreed that a minimum of seven hours is recommended for good health. Dr Guy Meadows is clinical director of the Sleep School and author of The Sleep Book: How to Sleep Well Every Night. “Unfortunately, for many of us, good sleep involves managing your caffeine intake,” he says.

Source: New Zealand Herald May 22, 2023 15:45 UTC