At night, your mind quiets down, and that’s when the energetic cord between you two becomes way more noticeable.
Also, part of the reason why twin flames often dream about each other:
The professional distance you keep in 3D makes sense. A lot of us have to do that for various reasons. But the soul doesn’t care about office politics, it’s gonna reach out regardless. When you’re lying in bed at night, that’s when you feel your twin’s presence or even their energy visiting. Your subconscious works overtime when you sleep and the line between physical and astral gets thinner.
As for the sexual waves, yeah there are also a bunch of threads about this: