2026-02-09 15:43:30
A health and sleep expert has revealed that the best time of day to have sex may not be when most couples are doing it — and says biology, not romance, should be calling the shots.
Dr Michael Breus, a clinical psychologist and sleep specialist often dubbed “The Sleep Doctor”, believes it is best to get intimate in the mornings as a result of how sleep patterns and hormones affect sexual performance, despite surveys finding the majority of couples are intimate between 10.30pm and 11.30pm.
He explained to Steven Bartlett on the Diary Of A CEO podcast: “Here’s what’s interesting — your hormone profile doesn’t look too good at 11.30 at night for having sex. In order to have successful sex, you want oestrogen, testosterone, progesterone, adrenaline and cortisol all to be high, and melatonin to be low.”
Melatonin, the hormone that makes us sleepy, is naturally elevated late at night, which can dampen energy, arousal and performance. According to Dr Breus, this is where chronotype — your body’s natural rhythm for sleep and activity — comes into play.
Your chronotype determines when you are most alert, energetic and hormonally primed. And for most people, that window opens in the morning.
Dr Breus pointed to a biological clue that has been hiding in plain sight.
He said: “If you happen to be having sex with somebody who was born biologically male, what do most men wake up with in the morning? An erection. If that’s not Mother Nature telling you when to use that thing, I don’t know what is.”
Morning sex, he said, aligns with peak testosterone levels, lower melatonin, and improved blood flow — all factors linked to stronger performance and connection.
Backing this up, Dr Breus revealed survey data showing couples who had sex earlier in the day reported better experiences overall.
He said: “We discovered that people actually have greater connection and greater performance in their sex when they have sex in the morning time.”
There are, however, some practical caveats. Dr Breus joked: “Do you have to brush your teeth and throw in a little mouthwash first? Yes, of course you do. Let’s be fair to your partner here.”
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