So if you need a sonic balm to tip you into blissful slumber at nighttime, here’s a selection of some of the most relaxing sleep ... eight-hour lullaby, aims to explore the effect of music ...

To the extent that "relaxing" online is possible, YouTube ... you want to sleep, too: One video, "Relax 8 Hours-Relaxing Nature Sounds-Study-Sleep-Meditation-Water Sounds-Bird Song," has become ...