Chat: What's your favourite thing to do in the holidays?
The children's commissioner for England, Anne Longfield, is worried that children are spending too much time online.
She thinks features like Snapstreak on Snapchat encourage you to spend more time on your phone.
Her job is to protect children's rights and understand what children think about the things that affect them.
But do you find yourself spending more time online over the holidays?
We want to hear from you!