Health website Healio gives a rundown of the most popular sleep stories of the year, including the use of nonpharmacological sleep interventions to reduce anxiety and how sleep impacts COVID-19 vaccine response.

Nonpharmacological sleep interventions reduce anxiety: Nonpharmacological sleep interventions were effective in reducing anxiety and sleep-related thought processes, and these benefits were more substantial in patients with anxiety, according to a recent meta-analysis. 

Q&A: A good night’s sleep may improve immune response to COVID-19 vaccine: Getting good sleep before and after receiving the COVID-19 vaccine may boost immune response, according to the AASM. 

Too little or too much sleep may increase mortality risk: Sleeping less or more than 7 hours was significantly associated with an increased mortality risk in men and women, according to an East Asian study published in JAMA Network Open. 

Get the full story at healio.com.