Matching (20) Match items in column A to column B

Column a Column b
1.
A.
Hallucination
2.
B.
Nathaniel Keitman
3.
C.
Circadian Rhythm
4.
D.
Depressants
5.
E.
Sleep Apnea
6.
F.
Biofeedback
7.
G.
Nightmares
8.
H.
Tolerance
9.
I.
REM Sleep
10.
J.
Stimulants
11.
K.
Posthyprotic Suggestion
12.
L.
Jet Lag
13.
M.
Daydreams
14.
N.
Physical Dependence
15.
O.
Night Terrors
16.
P.
Sleepwalking
17.
Q.
Sigmund Freud
18.
R.
Psychological Dependence
19.
S.
Francis Crick
20.
T.
Insomnia