Is insomnia really a problem of modern life?

Is insomnia really a problem of modern life... or is the struggle for sleep older than you think?

Vesta (devotional practices, health) square *Mors-Somnus (night time light - specifically light that aids sleep or prevents it (blue light), melatonin) 

*Mors = Roman personification of death, connected to Mars, Pluto, Orcus; Somnus = personification of sleep

Minor planet keywords developed by Philip Sedgwick, used with permission http://philipsedgwick.com/

Source: twitter.com/