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

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