1 person out of 3 affected by sleep disorders

INVS study

According to an investigation of the National institute of sleeping and vigilance (INSV), carried out with the study cabinet BVA Healthcare and published in March 2009:
  • A third of the population suffers from sleep disturbances, including 84% of insomnia.
  • 36% of the person sleep less than 7 hours per night.

Young adults particularly affected

  • This deficiency in sleep affects those who are aged 35 to 55, who sleep in majority between 6 and 7 hours, while being aware by their lack of sleeping.
  • Those who sleep between 5 and 8 hours would like to sleep on average 1 hour 20 of more.

Effects on health

  • This lack of sleep has effects on the health, physical and psychological status from the early years.
  • It can cause states of somnolence, sleep disturbances and metabolic disturbances.

Less of 5 years of sleep over 40 years

These deficiencies correspond to one night of sleep missed on a one week scale, 1 month and half over one year, and 5 years after 40 years of activity.

children and lack of sleep

  • 43% of the parents underestimate the requirements in sleep for their small children.
  • The requirements in sleep for a child of less than 3 years old evolve according to the INVS between 12 and 16 hours per day.
  • 43% of the parents evaluate this need to an average less than 13 hours.


A third of young adults suffer from insomnia when entering working life.
  • This period often succeeds the life as a student, with its irregularities, and is likely to be at the origin of sleep disturbances.
  • 72% changed their sleeping habits on this occasion, modifying their schedules to sleep and wake up.
  • 34% declared that they woke up at night during this period, then take again a new habit adapted to their new life situation.

Unsuitable sleeping conditions: a person out of 5 considers not sleeping in optimal conditions

  • Having these sleep disorders, the person still adopt unsuited behaviors,
  • 57% of the person have a television in their room, and for some others a great number of luminous equipments, such as a radio or a computer, which could disturb the sleep.

Lack of sleep and obesity

A relationship between the reduction of the lack of sleep and the development of obesity is being highlighted by specialists in the sleep.

Lack of sleep and road accidents

  • 30% of the drivers consider that somnolence and tiredness are the first cause of road accidents.
  • One road accident out of three could be related to somnolence.

Another study

Another study carried out in February 2009 for the pharmaceutical laboratory Lundbeck on 1.000 adults representative of the population and published on the Internet site YouGov.
  • 61% of the people had sleep problems during the last 12 months, according to a recent study
  • More than the half (52%) of these people had sleep problems during the last 12 months.
  • Almost 50% of the people suffering from sleep disturbances are tired the day which follows this bad night.
  • More than the three quarters (78%) of the person having sleep problems during the last 12 months had a fall of energy and tiredness.
  • A third (36%) of the adults having sleep problems during the year modified their rhythm of life to try to solve this problem.
  • Nearly a third (31%) of the people suffering from sleep deprivation did not take any measures to improve their sleep.
  • One person out of five (20%) estimates that sleep quality dropped because of the economic climate.

Sources Relaxnews

More on sleep disturbances and the INVS/BVA study

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