Assertion: pillow | /r/HasProperty | high
Facets:
value: for sleeping on the back
type: CAUSE
Source sentences:
text: A pillow that is too high or firm does not allow the neck to relax fully during sleep.
text: Using a single all-purpose pillow is likely to result in a pillow that is too high for sleeping on the back and too low for sleeping on the side.
text: Well, if a pillow is too high, too full, it may cause your neck to be too elevated, leading to neck ‘kinking’, which means pain and stiffness come morning.