Most people ignore sleep before a big talk, but lack of rest increases nervousness and jitteriness and tanks your delivery. Get proper sleep the night before and you'll feel more confident and less anxious.
One aspect which has been understated and has not been emphasized when it comes to speaking is the concept or importance of taking proper rest or proper sleep the night before. What happens is if you are nervous and you are not able to get a proper sleep the night before, it reflects on your speaking, reflects on your confidence, and you may feel more anxious, you may feel more jittery. But if you have taken a proper rest proper sleep the night before, it can give you more confidence. It can boost your confidence. So my quick tip to you is don't get too much pressure before the night and take proper sleep.
