Currency Pair: GBPUSD
Time Frame: Any (H1 is better)

Trading Rules:

1- Open your chart on 08:00 AM (GMT).

2- Find the Maximum Price and Minimum Price between 21:00 PM (GMT) to 08:00 AM (GMT).
(For example, If your broker time is GMT+2, so you should find the maximum and minimum price between 23:00 PM to 10:00 AM on your chart.)

3- You have 2 numbers. Maximum Price & Minimum Price. Now should open 2 pending orders:

Buy Stop:
At: (Maximum Price + 2 pips)
T/P: (Maximum Price + (Maximum Price – Minimum Price))
S/L: (Minimum Price – 2 pips)
Expiratory: Next trading day at 08:00 AM (GMT)

Sell Stop:
At (Minimum Price – 2 pips)
T/P (Minimum Price – (Maximum Price – Minimum Price))
S/L (Maximum Price + 2 pips)
Expiratory: Next trading day at 08:00 AM (GMT)

4- Now you can even turn off your computer and sleep. If any of above pending orders activated, let it touch T/P or S/L itself. It may take some hours or even some days. Please never close it manually.

Inactive pending orders will expire next trading day at 08:00 AM (GMT). At this time you should go to the first stage and repeat this cycle for the next day.