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If I sleep after praying maghrib (because of my busy schedule) and wake up at night, can I pray Isha and Tahajjud together?

I usually try to sleep between Isha and Tahajjud but for the last few days my routine has been a bit disturbed due to busy schedule. I sometimes can't hold up and sleep right after praying maghrib.

marked as duplicate by Jamila, III-AK-III, Medi1Saif Jun 5 at 10:29

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If you can make the ‘Isha prayer before midnight, then there is no harm in combining it with tahajjud prayer. As a matter of fact, it is preferable to delay ‘Isha prayer a bit later up until midnight.

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