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Historically, it has been unclear whether left-handedness is linked to sleeping problems.

A study in more than 1,700 volunteers investigated the link between handedness and sleep.

Research shows that left-handers wake up more often at night and are sleepier during the day.

Most people are right-handed, but about 10.6 percent are left-handed. Interestingly, there have been reports that handedness may influence sleep quality, but they have been inconsistent. Some small studies suggest left-handers may have better sleep, while others suggest they wake more often at night. However, these studies only tested a few volunteers and relied on self-reports, not accurate scientific measurements. Thus, for a long time, it has been unclear whether handedness affects sleep quality.

A 2022 study in Nature and Science of Sleep investigated the effects of handedness on sleep problems at night and sleepiness during the day (Taubert et al.,........

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