A dictionary of Confusable Phrases: More Than 10,000 Idioms and Collocations

Note: 
The expression does not correlate in meaning with the
phrase bring someone to grass—(Mining) carry an injured per-
son to the surface from the mine: His son soon got him out,
procured assistance, and he was brought to grass and carried
to his home.
lay someone to rest • lay someone’s ghost to rest
lay someone to rest—(euph.) bury a person after he has died
(also: lay someone to sleep): Three weeks after his death, family
and friends gathered Monday to pay tribute to Pokorney and
to lay him to rest.
lay someone’s ghost to rest—(also: put someone’s ghost to rest)
finally get rid of a dead person’s continuing influence: Now
China must take another crucial step: It must lay Mao’s ghost
to rest.
lay someone to sleep • put someone to sleep
lay someone to sleep —
1
. put smb., usually a child, into bed
for sleep: The child is weary; let us lay him to sleep on the
settee for a while. 2. (euph.) bury a person after he has died
(also: lay someone to rest): One generation of burghers after
another was laid to sleep in the quiet churchyard.
put someone to sleep —(also: send someone to sleep) 
1
. make a
person fall asleep because smth. is too boring: You ask me
what book I read now to put me to sleep — why, Murray’s
“Handbook for France.” 2. make a person unconscious by
using an anesthetic: The surgeon gave him something to dose
and put him to sleep. 3. (euph., of an animal) kill painlessly
out of mercy: Sheba was growing old and blind and had to
be put to sleep.
lay someone up • put someone up
lay someone up—(of an illness) cause a person to stay in bed
lay away money
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(usually Passive): I’ve been laid up since Christmas with a bad
cough.
put someone up —provide food and lodging for a person: I
can put up two adults, but no children.