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The instinctual desire of your body to sleep above any other activity. This is recognised most easily when lying next to a horny, ambitious and less sleepy partner. However, it is sometimes experienced among bored master-baters and in this case, it's time to rethink one's life.
As I get older, my sex drive is the's just that my sleep drive has gone up.
by J Mango July 05, 2016
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