CONTROL
 AFTER 2 DAY FAST
GH SECRETION IS
TIGHTLY COUPLED
TO SLEEP PERIOD

MAGNITUDE GREATER
DURING PUBERTY
FASTING INCREASES
GH SECRETION
 AND UNCOUPLES IT
FROM SLEEP PERIOD
2pm
8am
8am
8pm
2am
2pm
8am
8am
8pm
2am
2pm
8am
8am
8pm
2am
2pm
8am
8am
8pm
2am