Sahih Bukhari

Narrated Abu Huraira:The Prophet (ﷺ) said twice, ""(O you people) Be cautious! Do not practice Al-Wisal."" The people said to him, ""But you practice Al-Wisal?"" The Prophet (ﷺ) replied, ""My Lord gives me food and drink during my sleep. Do that much of deeds which is within your ability