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
8am
8pm
2pm
2am
8am
8am
8pm
2pm
2am
8am
8am
8pm
8am
2pm
2am
8am
8pm
2pm
2am
8am