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Sleep hygiene: the golden rules for a good night's sleep

IRIS Prévention
16 September 2026
Sleep well when you wake up. Sleep hygiene is these simple habits that make all the difference, night after night.

We cannot force sleep, but we can create the conditions that favor it. That's what sleep hygiene is all about: a set of habits that prepare the body and mind for a restful night. Simple and accessible, these golden rules are the first answer to most sleeping difficulties.

1. Regularity above all

Going to bed and getting up at regular times, including on weekends, is one of the pillars of good sleep. This regularity synchronizes the internal clock and makes it easier to fall asleep. Long lie-ins, on the other hand, disrupt the rhythm.

2. Take care of your environment

ElementRecommendation
DarknessBedroom dark
TemperaturePretty cool
NoiseCalm, silent
BeddingComfortable, suitable

The bedroom should be a space dedicated to sleep: cool, dark and calm. It is advisable to ban work and screens as much as possible.

3. Beware of stimulants and screens

Coffee, tea, energy drinks and nicotine are stimulants to limit, especially at the end of the day. The light from screens in the evening delays falling asleep. Alcohol, contrary to popular belief, degrades the quality of sleep.

    • Avoid stimulants at the end of the day
    • Reduce screen use before bedtime
    • Be wary of alcohol, which impairs sleep

4. Prepare the body and mind

A calm ritual before bed (reading, breathing, subdued atmosphere) signals to the body that it is time to sleep. Physical activity during the day promotes sleep, while intense exercise late in the day can delay it. Listening to your fatigue signals allows you to go to bed at the right time.

These habits, applied regularly, often improve sleep without further intervention. Consistency is key.

💡 tips to remember

    • Regularity is the pillar of good sleep: going to bed and getting up at regular times, even on weekends, synchronizes the internal clock.
    • The bedroom should be cool, dark and quiet, dedicated to sleep, without work or screens.
    • I avoid stimulants (coffee, tea, nicotine) at the end of the day and I reduce screens before bed.
    • Alcohol degrades the quality of sleep despite popular belief: I am wary of it in the evening.
    • A calm ritual before bed and physical activity during the day help you fall asleep: consistency is the key.