Advantage ablution before sleep

Messenger of Allah said:

     "He sleeps at night in a state of purity (wudu), the angels keep following, and when he would wake Angel will speak 'Oh God forgive your servant so and so, because he sleeps at night in the always holy." (Narrated by Ibn Hibban Ibn `Umar).

first
Relaxing the muscles before resting. Maybe not too much explanation. Can be proven in medical knowledge that the ablution water splash is a method or way loosen stiff muscles in activity.

Positive effect if a person has performed ablution, then our mind will feel calm. The body does not feel tired.

second
Brighten the skin. Wudu can brighten skin for this ablution performance remove dirt in the skin. Dirt-dirt stuck to our skin will always be lost and our faces would be bright and clean.

third
Angel prayed. Angel will always pray for the protection of Muslim brethren always ablution before going to bed. Angels are beings who are always in remembrance of Allah. Prayer, He will always be granted by Allah. Therefore, always be ablution.

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