NET
4 Tremble with fear and do not sin. Meditate as you lie in bed, and repent of your ways. (Selah)
Darby
4 Be moved with anger, and sin not; meditate in your own hearts upon your bed, and be still. Selah.
KJV
4 Stand in awe, and sin not: commune with your own heart upon your bed, and be still. Selah.