You're sleeping peacefully, then all of a sudden.

Arcadia - Wonders By Kevin Macleod is licensed under a Creative Commons
Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/

Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100326

Artist: http://incompetech.com