Quality of Sleep Dropped During COVID-19 Lockdown

COVID-19 lockdown has indeed altered our usual schedules. People have been getting up late than usual. However, while the quantity of sleep has improved, the quality has declined significantly, reports a new study.

Coronavirus lockdown has provided people with a regular sleep schedule filled with extra time in bed than usual. However, despite getting more sleep, they haven't been restful, reports a new study. The findings of the study are published in the journal Current Biology.

Research assumes that many sleep disorders are caused by our modern lifestyle, which is characterized by pressure to constantly perform and be active. Rhythms of work and leisure activities thus set a cycle that is often at a mismatch with the body's internal biological clock. If the differences in sleep timing and duration between workdays and days off become too large, this can lead to "social jetlag". With this in mind, restrictions that involve working from home could offer some benefits: flexible working hours, no commuting and potentially more time to sleep.

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Researchers from the University of Basel and the Psychiatric Hospital of the University of Basel investigated the effects of the restrictions implemented to contain the Covid-19 pandemic on sleep rhythms and sleep behavior in a six-week online survey conducted between 23 March and 26 April 2020. Under the leadership of psychologist Dr. Christine Blume, a total of 435 people were surveyed in Switzerland, Austria, and Germany. More than 85% of the respondents were working from home at that time. Overall, the participants slept rather well, 75% of them were women.

Less "social jetlag".

The survey found that relaxation of social rhythms - for example, through more flexible working hours - led to a reduction in "social jetlag". "This suggests that the sleep-wake patterns of those surveyed were guided by internal biological signals rather than social rhythms," says Blume. Furthermore, 75% of those surveyed reported sleeping up to 50 minutes longer than before the lockdown. One factor contributing to this could be that people no longer had to commute to work in the morning, the sleep researcher explains.

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Tip: outdoor activities

However, this reduction of "social jetlag" was not paralleled by an improvement in perceived sleep quality. On the contrary, those surveyed reported that their sleep quality actually deteriorated a little during the lockdown. This is not very surprising, explains Blume, as this unprecedented situation also was highly burdening in many ways. Financial and health concerns or stress related to child care are just a few relevant aspects.