Gene linked to needing less sleep identified

The genetics of circadian rhythms have been well studied in recent years, but much less is known about other types of genes that play a role in sleep. Now, by studying a family with several members who require significantly less sleep than average, a team of researchers has identified a new gene that they believe has a direct impact on how much someone sleeps.
The genetics of circadian rhythms have been well studied in recent years, but much less is known about other types of genes that play a role in sleep. Now, by studying a family with several members who require significantly less sleep than average, a team of researchers has identified a new gene that they believe has a direct impact on how much someone sleeps.
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