Sunnah - clean your bed before going to sleep. Islam
Be silent if you don't like the food. Its Sunnah. Islam
Sunnah - sleep on your right side and with wuhdu. Islam
Sunnah - look after your neighbour. Islam.
Sunnah - try to calm yourself when angry. Sit, lay down, perform wudhu.. Islam
Follow the Sunnah
Be gentle with your wife. It's Sunnah. Islam