Moon Cycles Exert an Influence on Menstruation and Sleep Patterns

Two studies found menstruation and sleep patterns synchronized with moon phase cycles.

Can the Moon affect our health and behaviour?

Are Our Periods Really Affected By The Moon? An Expert Explains

The Moon-Body Effect: How the Lunar Cycle May Affect Your Health

Menstrual and Lunar Cycles may be Linked

The Science and Lore Behind Menstruating Women and Moon Cycles - Auric

Are Our Periods Really Affected By The Moon? An Expert Explains

How Lunar Phases Affect Sleep And Menstrual Cycles

Does the moon affect menstrual cycles?

The menstrual cycle is influenced by weekly and lunar rhythms

How do the phases of the moon affect human behavior? - Quora