I'm worn out

Psalm 23

He maketh me to lie down in green pastures: he leadeth me beside the still waters.

23:2 · King James

The most famous psalm in the world begins with rest being given rather than earned.

Psalm 121

He will not suffer thy foot to be moved: he that keepeth thee will not slumber.

121:3 · King James

Somebody is awake even when you cannot stay awake. The whole psalm is about being kept.

Psalm 61

From the end of the earth will I cry unto thee, when my heart is overwhelmed: lead me to the rock that is higher than I.

61:2 · King James

He does not ask to be taken out of it. He asks to be led somewhere higher than where he is standing.

Psalm 116

Return unto thy rest, O my soul; for the LORD hath dealt bountifully with thee.

116:7 · King James

He is telling his own soul to go back to rest, and he has reason to.