Afriend of mine called in asking why men feel sleepy after sex. So i decided to write about men’s sleepness after abarg.:
1. *Prolactin*
When a man orgasms, prolactin is released
– a hormone that is linked to feelings of
sexual satisfaction. The primary reason a
man feels tired after sex is due to the fact
that prolactin causes sleepiness and
drowsiness. During sleep people have
higher levels of prolactin. In studies
involving prolactin injections into animals,
they became tired immediately.
The reason a man cannot simply go for
another round immediately after having
sex has to do with the fact that their
prolactin levels are very high. When the
prolactin levels dip again, the man will be
ready for another round. There is a
relationship between prolactin and
dopamine – increased dopamine can act
as a prolactin inhibitor. Some research has
demonstrated a link between prolactin-
deficiency and fast recovery times after
sex.
It should also be noted that prolactin levels
after orgasm during sex are 4X higher
than those after masturbation. So
masturbation in general is not going to
make you feel nearly as tired as a full
blown sex session.
2. *Oxytocin*
This is sometimes referred to as the “love
hormone” because it promotes bonding
between partners. In general it promotes
love and trust of people that are intimate
with each other and can also cause
increased social relaxation. The fact that
people feel more relaxed around each
other eliminates most fear and anxiety
(both stimulants). Because the body is
nearly void of natural stimulants and stress
after sex, people are naturally going to feel
tired and in lounge mode.
3. *Vasopressin*
Vasopressin has been linked to cerebral
tiredness. It is a hormone that primarily
helps constrict blood vessels and control
water retention. It plays a vital role in
helping our body regulate homeostasis
and plays a role in sex and social behavior.
It increases our ability to bond and can
reduce stress. Although it is a fairly
complex hormone, the fact that it may be
released directly into the brain after sex is
thought to help increase the relaxation
along with oxytocin.

4. *Neurotransmitters*
During ejaculation, men release
norepinephrine, serotonin, and NO (Nitric
Oxide). It is the combination of different
chemicals and neurotransmitters that are
released into the system that leads to
relaxation. There are more than these
three released of course, but these are
some of the more common
neurotransmitters that are released.
Serotonin is known to have a calming
effect on the brain as well as the body.
Nitric oxide is released by the prostate
gland and basically promotes relaxation
throughout the entire penis.
5. *Parasympathetic*
Relaxation
After sex, the parasympathetic nervous
system takes over and the sympathetic is
put to rest. Parasympathetic responses
promote physical relaxation, blood flow to
the extremities, and calmness. In order to
reach orgasm, it has been reported that a
man must have no fear or let go of all
stress. The combination of relaxing
chemicals and neurotransmitters override
the production of epinephrine and reduce
dopamine (a stimulating neurotransmitter)
after orgasm. Plus the act of being intimate
with another person really helps to further
reduce anxiety. If your fight or flight
response is literally shut down during
orgasm, it is no wonder that you feel a
little more tired than usual.
6. *Physical Exertion*
Usually the man is the one doing more
work physically while having sex in
comparison to the woman. Women
typically don’t have to do much other than
lay back or go for a ride so to speak. It is
the man that does the thrusting and if the
sex session lasts awhile, he may end up
getting pretty tired by the time things
come to an end. Some partners have sex
for over an hour and when a man is doing
a lot of physical work to please his partner,
he gets tired.
7. *Sex at Night*
Most people have sex towards the end of
the day or at night and after a long day
already, it is pretty natural to feel tired. One
last “bang” before the night ends is what
does it for most men – especially if the sex
is very late at night. It is natural to feel tired
at night, and after orgasm, it’s a double
whammy of tiredness from the hormones,
chemicals, and neurotransmitters that
flood the body and brain. Your best bet at
this point is to just chalk it up and get a
good night’s sleep. Sex can be one heck of
a good remedy for insomnia if done at an
appropriate time at night.
Till then, i remain #mukssteven
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One thought on “**Why do men feel sleepy after sex and ejaculation**

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