Question: Does it influence the vibration if someone sleeps in the meditation room?

Sri Chinmoy: At least one night before a meditation no one should sleep in the room. But if you have only one room and it is unavoidable, then there is no real harm in it.

From:Sri Chinmoy,Sleep: death's little sister, Agni Press, 1974
Sourced from https://srichinmoylibrary.com/sds