YogaSleep - Nod Sound Machine and NightlightHighlights: Masks noise and disruptions and lulls to sleep for improved sleep quality 20 Soothing sound options including white noise, nature sounds and lullaby songs. Sleep timer options to suit most 45 minutes, 90 minutes, 8 hours and continuous play Dimmable nightlight Nightlight can be used for night time feeds and nappy changes Simple, intuitive design and sleek interface No batteries required Sound samples in the how to use section below Help