Sleepless nights and the clock gene

Sleepless nights and the clock gene
7/7/10

Are 5/5 individuals morning people?

A subsidiary question deserves to be raised: are 5/5 individuals endowed with a morning chronotype? It is effectively the case for the majority of them. Nevertheless not all ‘morning people’ are 5/5 individuals, and vice versa. Why? Whilst reputed to be very important, PER3 is only one clock gene amongst others, certainly influential but despite everything ‘lost’ at the heart of multiple interactions. Moreover, the diurnal preference in human beings depends on numerous factors, including social ones. ‘Even if he is a 4/4 type, a baker will have learnt to get up early,’ concludes Pierre Maquet.

In the months to come the CRC researchers will study how 4/4 and 5/5 individuals react to sleep deprivation of 42 hours.

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Written by : Philippe Lambert Translated by: Eriks Uskalis Based on the work of:


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