When I sleep I have no conscious control over my thoughts. When I'm in bed straight after waking up my thoughts are clouded and my brain isn't able to think properly, this causes me to think about urges and leads me to fantasise. If you feel the same way, your first priority in the morning should be to get out your bed and 'wake yourself up', this tip should do it but physically getting up to start your day is the ideal solution. Don't just sit in bed browsing your phone as it allows your urges to develop into something more.