The holidays were full of parties, parties, and more parties. With these parties, people are more likely to consume more alcohol than usual which then leads them to participate in Dry January. Dr. George Koob,

Ditching alcohol, even for a short time, can help reset your sleep patterns, says Dr. Issac, leading to better rest and improved recovery from sleep deprivation. With better sleep, you'll likely have more energy to tackle your day without needing that extra cup of coffee.

A number of studies have shown that abstaining from alcohol, even for just a month, can lead to improved sleep.