When we change time zones, our sleep is disrupted - this is known as jet lag. You can anticipate jet lag by going to bed earlier or later, depending on your destination. Note that it's easier to adapt to westward jet lag than eastward. On the plane, remember to set your watch to the time of your destination, try to get some sleep and wear compression stockings. Click here for tips on anticipating jet lag.

For further information, we recommend that you consult :

- Institut national du Sommeil et de la Vigilance website
- The Morphée network website (health network dedicated to the management of chronic sleep disorders)
- The ANSES website (Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail)
- The Santé Publique France website, and its documents on sleep