Learn something new
It will always beneficial to learn a new thing
Go to a walk
New research confirms that walking is an effective exercise routine, as long as you’re hitting these metrics.And it will be relaxing for you as well.
Reading is the best thing to do when you get bored and it will also increase your creativity.
surf online whatever comes on your mind it will make you a good reader and also increase your knowledge
Write in any language you know
Go and play outside
Playing out is just doing exercise in a fun way