The #1 cause of insomnia and how to fix it…

Added: 2026-05-16

[00:00:00]The most common cause of insomnia is elevated body temperature. So they're too hot. And one of the most common causes of being too hot is hypoglycemia.

[00:00:08]Most people don't appreciate that. When your blood glucose levels spike, you activate your sympathetic nervous system. And of all the times of the day when your sympathetic nervous system is activated, you don't want it to be turned on when you're trying to go to bed. That's when you want the parasympathetic to dominate. When someone eats that evening snack of spiking their blood sugar, then they go to bed in a hypoglycemic state. They're going to have all of the signs and symptoms of anxiety, they're going to be laying there hot. Their heart is going to be beating hard and fast, and they're going to feel that pulse pounding and wonder, "What am I anxious about? Why can't I just sleep?" Well, it's not because you have anxiety. It's because you went to bed hypoglycemic. But unfortunately, that is the one time of day where people are at their weakest.

[00:00:50]People can walk past treats and junk food all day and deny themselves that knowing that it's not good for them. But the moment 6:00 comes around or 7:00, then all of a sudden the temptation starts to take on a new form and they can't. They indulge and that is the worst time. It would be better for them to indulge in that at lunch, for example, than it would be at that point of the