Psalms 4:4; Psalms 36:4; Psalms 41:3

Psalms 4:4

4 Stand in awe, and sin not: commune with your own heart upon your bed, and be still. Selah.

Psalms 36:4

4 He deviseth mischief upon his bed; he setteth himself in a way that is not good; he abhorreth not evil.

Psalms 41:3

3 The LORD will strengthen him upon the bed of languishing: thou wilt make all his bed in his sickness.