Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 2 months ago

Sleep which makes us unable to see and unable to hear invalidates Wudu as we will be out of our senses during such sleep.

It is not obligatory to perform Wudu after waking up from sleep, unless we need to perform Prayer. It is recommended to perform Wudu when ever our Wudu is broken e,g after using toilet and after waking up from sleep. Being always with Wudu is highly recommended and has great benefits in this life and hereafter.