Before departure: we get drunk

A few days before the trip, Elusanes Rhodiola de Naturactive, 9,50 €, in pharmacy. These capsules rely on rhodiola, a plant used in Russia and Scandinavia to fight against fatigue. It contains glucosides that stimulate the nervous system and increase resistance to stress. Take two a day, one at noon and one in the evening.

On the spot: we put ourselves in the right tempo

With targeted essential oils

Naturactive Bio essential oils, Pierre Fabre laboratories, from € 5.40 to € 7, in pharmacy. 100% pure and natural, they come from organic farming. On the advice of Fabienne Millet , a doctor of pharmacy and specialist of essential oils, here are two recipes to massage in the wrists or under the soles of the feet. Not to mention to breathe well at the time of application.

To fall asleep quickly: dilute 13 drops of essential oils of ylang-ylang and petitgrain bitter in a bottle of organic macadamia oil.

To stay awake: mix, still in a bottle of organic macadamia oil, 22 drops of ginger essential oil and a single peppermint.

Practical and ready to apply, the Roll-on Jet-Lag of Aromatherapy Personals, 17 € (on www.bazar-bio.fr/25_aromatherapy-personals). A blend of pure essential oils of clove, ginger and nutmeg.

With an adapted massage

Anyone lucky enough to stay in Mauritius will be able to try Clarins anti-jet-lag massage developed for frequent travelers. In sixty minutes: facial care, body massage, leg drainage, skin smoothing. All these gestures are linked gently to boost blood and lymphatic circulation, relax the body and regain energy before time. The perfect antidote to changes in time zones, especially in the magical and totally zen Dinarobin Spa by Clarins of the Dinarobin hotel. With more than 1,000 m ² at the foot of the sacred mountain Morne, it is one of the most beautiful spas of the Indian Ocean. Dinarobin Hotel Golf & Spa. Le Morne, 00 (230) 401 49 00, www.dinarobin-hotel.com.

With a night cream "sleep"

L'Oréal Paris Intense Night Age Perfect Nutrition, € 16.96. In addition to providing ten rich oils for nourishment, but also fighting sagging and creasing, the formula contains four essential aromatherapy oils to help you sleep well.

And also ... with a high-tech alarm clock Chronobiological SleepTracker Watch, 159,90 € (www.sleeptracker.fr). Valid for large time differences as well as for smaller ones. On the wrist, she identifies the different phases of sleep and chooses the best time to beep gently (without waking your spouse!) In a slot of twenty minutes around the scheduled waking time.