Definition of "sleep together"

sleep together

verb
third-person singular simple present sleeps together, present participle sleeping together, simple past and past participle slept together
1. (idiomatic, reciprocal, euphemistic) To have sex with each other.
2. (idiomatic, reciprocal, euphemistic) To be intimate with each other in the same bed.
3. Used other than figuratively or idiomatically: see sleep,‎ together.
  Quotations
  The twins slept together, the straw doll between them.
  2013, K. B. Forrest, The Sorcerer and the Shaman, page 11