Day peeps is a casual term that refers to people who are active during the day. There are many other synonyms that you can use to describe this group of people. Some of them include day birds, daylight lovers, early birds, morning glory, and sun chasers. These terms are used to describe people who enjoy the daylight hours, who are often productive during the day, and who prefer to get things done early. Whether you want to describe yourself or others, these synonyms can help you to add some variety to your language and express yourself in new and interesting ways.