Cross reference
Ecclesiastes 5:12
12 The sleep of a laboring man is sweet, whether he eat little or much; but the fulness of the rich will not suffer him to sleep.
Proverbs 3:24
24 When thou liest down, thou shalt not be afraid: Yea, thou shalt lie down, and thy sleep shall be sweet.
Psalms 4:8
8 In peace will I both lay me down and sleep; For thou, Jehovah, alone makest me dwell in safety. Psalm 5 For the Chief Musician; with the Nehiloth. A Psalm of David.
Psalms 127:2
2 It is vain for you to rise up early, To take rest late, To eat the bread of toil; `For' so he giveth unto his beloved sleep.
Jeremiah 31:26
26 Upon this I awaked, and beheld; and my sleep was sweet unto me.