noun
sleeping comfort; feel of a bed
Describes how comfortable a bed, futon, or sleeping surface feels for sleeping.
このマットレスは寝心地がとてもいい。
This mattress is very comfortable to sleep on.
枕を変えたら寝心地が良くなった。
Changing the pillow improved the sleeping comfort.
Compound of 寝 (ne, 'sleep') and 心地 (gokochi, 'feeling, comfort').