It sure is - https://www.youtube.com/watch?v=9vz06QO3UkQ
Depending on your location (urban or rural) having your curtains open could expose other light sources (street or car lights) and make it harder to get to sleep.
It sure is - https://www.youtube.com/watch?v=9vz06QO3UkQ
Depending on your location (urban or rural) having your curtains open could expose other light sources (street or car lights) and make it harder to get to sleep.