All of you who are sleeping in your contacts are ticking time bombs. There is around a 15x increase in the risk of a corneal ulcer, even with contacts designed for overnight wear. For those who've already had problems, cutting back your overnight wear schedule isn't the answer, just stop doing it! It's like getting a terrible rash from wearing the same underwear for a week, so you cut back to wearing them for "only" 2-3 days, disgusting.
At least if you get a red eye, take them out right away and if your eye doesn't clear up in a day, seek professional help. A neglected corneal ulcer can eat through your eye in a few days if it's a virulent bug.
To answer the OPs question, as long as what you're using disinfects the lenses, the rest is a matter of personal preference.
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