A–Z Glossary

Jet lag

Jet lag is sleep and body-clock disruption that happens after crossing time zones before the body adjusts to local time.

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Travel sleep tips for children crossing time zones

Travel sleep tips for children crossing time zones

Why children get jet lag Jet lag happens when the body’s internal timing system is out of sync with the local day-night cycle. The circadian rhythm in children, like in adults, is organized by the brain’s timekeeping network and influenced by light, meals, activity, and sleep timing. When a child crosses several time zones, those […]