Sources -

Moonstruck sleep: Synchronization of human sleep with the moon cycle under field conditions:

https://pubmed.ncbi.nlm.nih.gov/33571126/

Evidence that the lunar cycle influences human sleep:

https://pubmed.ncbi.nlm.nih.gov/23891110/

Popular belief meets surgical reality:

https://pubmed.ncbi.nlm.nih.gov/21713579/

Lunar Mysteries: Four Things We Still Don't Know About the Moon:

https://www.pbssocal.org/science/the-moon-remains-a-source-of-mystery

Mysteries of full moon:

https://www.dailypioneer.com/2017/sunday-edition/mysteries-of-full-moon.html

Can a Full Moon Affect Your Mood?:

https://www.almanac.com/can-full-moon-affect-your-mood

Does the Moon Affect Humans?:

https://health.clevelandclinic.org/moon-effects-on-humans/amp/

The moon and mental health:

https://www.medicalnewstoday.com/articles/326012#The-moon-and-mental-health

Bipolar mood cycles and lunar tidal cycles:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5524624/

Nightjars time their epic migration flights using a lunar calendar:

https://www.newscientist.com/article/2219944-nightjars-time-their-epic-migration-flights-using-a-lunar-calendar/