Get outside, breathe fresh air, increase exercise, and play.
Journal, draw, and continue other hobbies you regularly enjoy.
Stay connected with your loved ones! Spend time together, have real phone/video conversations, play board games, or write a letter.
Reduce your media intake. If you are on media, stick to content that makes you feel hopeful, happy, calm, and connected.
Listen to Calming Music, such as this playlist
Try a progressive muscle relaxation or this breathing exercise