What if jet lag makes me sleep through prayers?

Sleep is an excuse

The Prophet ﷺ said: "Whoever forgets a prayer or sleeps through it, its expiation is to pray it when he remembers it" (Sahih Muslim 684). There's no extra penalty, no fasting and no fine. You simply pray it.

On one journey, the Prophet ﷺ and his Companions were so tired that they all slept until the sun had risen. When they woke, Bilal called the adhan, they made wudu, and they prayed Fajr together (Sahih al-Bukhari 595). If this happened to the best of people while travelling, it can happen to you after a twelve-hour flight.

How to make it up

• Pray it right away after waking, even if it's now the time of another prayer.
• Keep the order: if you missed Fajr and wake at Dhuhr time, most scholars say pray Fajr first, then Dhuhr.
• Still traveling? If the missed prayer was owed as a traveler, you can usually pray it shortened.
• Several missed? Pray them one after another in order.

The Prophet ﷺ recited this verse when teaching that a forgotten prayer is prayed when remembered (Sahih al-Bukhari 597).

Sleeping through is different from ignoring it

The excuse covers sleep you couldn't control. It doesn't cover switching off your alarm on purpose, or deciding to "catch up later". Scholars encourage reasonable steps:

• Set two or three alarms, including one on a separate device.
• Use a prayer app set to your current location. See Can I trust prayer time apps?
• If you're about to crash, pray first if the prayer time has started, or combine prayers as a traveler.
• Ask a travel companion to wake you.

Beating jet lag gently

Many travellers find that praying on local time helps reset the body clock. Fajr in particular pulls you into the new day. See Why does the Fajr adhan say prayer is better than sleep? On the plane itself, follow the times where you are. See How do I pray on a long-haul flight across time zones?