The age-old question plaguing all human relationships has always been: how in the hell can we fuck better?

Because everyone loves sex. But bad sex, it’s as depressing as low fat ice-cream that looks just like the real thing but makes you want to gag when taking the first bite and it’s akin to sawdust.

Luckily, people in white coats have discovered one thing anyone can do to make things heavier — let her have a full night’s sleep first.

One recent study titled "The Impact of Sleep on Female Sexual Response and Behavior" revealed that women who slept for longer report feeling more sexual desire and arousal the next day. So if you want to "get a woman into bed," you just have to get her into bed — and then let her sleep. 

This may seem counterintuitive to some, but the truth is that seduction goes smoother when everyone involved is well rested and ready to get it on. Short sleep duration and quality led to a much worse female sexual response. Put down the viagra and caffeine, and pick up the sleep mask.

As 1 in 3 American adults don’t get enough sleep, you may have to make an effort to get to bed early for better intercourse the next day. Especially as there seems to be a correlation between these numbers, and the fact that 45 percent of women and 31 percent of men have sexual issues, much of which might just be caused by bad sleep, not just bad sex.

This idea is supported by clinical sexologists, Lawrence Siegel, a certified sexuality educator at the Sage Institute for Family Development. He told CNN, "Over many years of clinical experience, I have seen a connection between reports of this type of sleep disturbance and reports of the inability to orgasm."

And we’re not talking about a quick cat nap where you barely sleep, we’re talking about one of those night sleeps where you drift off into deep and restorative zzz’s all night. In fact, the longer women were allowed to sleep was directly proportional to the increase in their sexual desire the next day. Roughly speaking, that means for every additional hour of sleep you can expect a 14 percent increase in the chances of you scoring the next morning. Though sleeping longer was also connected to poorer next day genital arousal.

Obtaining sufficient sleep is a basic necessary for sexual desire, as sleepy people just don’t want to do the deed. 

Ironically, another study shows people fall asleep better after having sex. A quick bang before bed might be just what everyone needs, because "coming to fruition" helps humans unwind and relax — allowing our brains to drift off to sleep easier. To counter the old adage: sex doesn’t just make men sleepy afterwards, it has the same effect on women too.

Rachel Needle, co-director of the Modern Sex Therapy Institutes also told CNN, "For women, estrogen levels increase after sex, which can enhance a woman's REM cycle for a deeper sleep. In men, the hormone prolactin is secreted after orgasm and has been tied to sleepiness."

To boot, sleep researcher Dr. Michele Lastella surveyed 460 adults between the ages of 18-70, and the research revealed that two-thirds of the people questioned slept better after having sex. However, this was only after both parties had an orgasm.

“What we found was 64 percent of our respondents indicated they slept better when sex was with a partner and it involves an orgasm,” Dr. Lastella stated to Adelaide Now. It seems that many people get stuck in a downward spiral when they don’t have enough sex and then don’t get enough sleep, which in turn leads to less sexual desire the next day.

The more you sleep, the more sex you’ll want … and then have. Wash. Rinse. Repeat.

[cover photo Clem Onojeghuo via Unsplash]