Chosen Islamic Manners

'Turn off all candles at night when you lay down to sleep and lock the doors.' (Muslim)
The reason for putting out the candle at night is mentioned in the hadeeth:

'A mouse might drop the candle and burn the house down.' (Fath al-Bari)
Abu Musa () said: 'A family was burned in their home at night, and the Messenger of Allah () said:

'This fire is your enemy, when you go to sleep, put it out.' (Ibn Majah)
As for locking the doors at night before one goes to sleep, the Prophet () said:

'Lock the doors, mention the name of Allah for indeed Satan cannot open a door that is locked.' (Muslim)
*One should cover open utensils. The Prophet () said:

'Cover open utensils and tie water sacks. Indeed a disease spreads during one night in the year, it does not pass by an open utensil or untied water sack except that it taints it.' (Muslim)
*It is praiseworthy for one to make wudhu before going to sleep. The Messenger of Allah () said: