4-7-8 Breathing Technique Sleep Noise

This noise sfx is built on a breathing technique for falling asleep 4-7-8. If it's hard for you to fall asleep, just choose the duration and follow the waves of noise with your breath.
Technique rules:
Inhale through the nose (4 seconds) - hold the breath (7 seconds) - exhale through the mouth (8 seconds).

6 versions are included for ease of use, there is also a loop version from which you can build any duration yourself.