Ideally, you should plan ahead and try to get the items from the store the day before you need them. This way, you can get a good night's rest without having to worry about a last-minute rush. If you need to do some shopping on the same day, try going to the store earlier in the day so that you can finish quickly and get to bed at a reasonable hour. It may also be helpful to bring a friend or family member with you to help you stay on track with your time.