Do you feel sleepy after lunch? Mika does. She eats at her desk every day. The room is warm and a little dark. One day, she takes lunch outside. She sits under the open sky. Daylight reaches her eyes. This tells her body, “It is daytime.” Bright daytime light can help us feel awake. It may also help us sleep later. Mika walks back to work. She feels ready for her next job. So, try a short outdoor lunch break. Even on a cloudy day, go outside. A little daylight can change your afternoon.