Alcohol—particularly when consumed inside a couple of hours of bedtime—can dampen sleep high quality as a result of method it is processed within the physique.

“The issue is that as alcohol metabolizes by way of your physique, it might probably suppress the REM sleep, rapid-eye-movement sleep, which is the a part of sleep the place goals principally happen. It is also actually vital for issues like reminiscence consolidation, studying, and emotional processing,” Wendy M. Troxel, Ph.D., a scientific psychologist and authorized behavioral sleep drugs specialist, explains to mbg.

She provides that since alcohol is a diuretic, consuming it earlier than mattress could make it’s essential to rise up to make use of the toilet in the course of the evening—resulting in what’s often known as “sleep fragmentation,” or disrupted sleep. All these elements can contribute to that groggy, drained, dreamless feeling that generally comes after an evening of consuming, even carefully.

Subsequently, if all else stays the identical, avoiding alcohol for a month ought to result in enhancements in total sleep high quality. And certainly, there’s analysis to point out that almost all of reasonable drinkers are inclined to report deeper sleep and more energy after a go-round with Dry January.

However this yr, particularly, the impression of giving up booze won’t be so reduce and dried.