If forex is affecting your sleep, it is too risky of an investment for you and you can't handle it, you should probably get out and find something safer, for your own sanity.
Now that I think about it, 5-10 pips per day is basically how much you go for on a single scalp trade. If your targets are 5-10 pips, your trades should be closing within minutes. Stop-losses would be impossible.
Personally I do not use or recommend using stop-losses, but if you feel you need to, I recommend you make your T/P at least twice as much as your S/L. If you can't meet this criteria, don't make that trade.
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