If it is hot, there may be fire on the other side. Try to get out another way. Pick a safe and easy to remember place outside the home to meet your family after you get out. After you get out, call 999. You may not see fire, smell smoke or wake up in time to get out safely.
Smoke alarms can help.
Smoke alarms are tools that can tell if there is smoke in the air. They work even if you can't smell smoke. A smoke alarm makes a very loud beeping noise to warn you that a fire has started. When you hear the loud noise get out of the house fast. Replace with brand new batteries at least once a year.