How do I fix an iPod Touch that is freezing repeatedly?

I have had this Ipod for less than a year. In the last month or so it froze unexpectedly. I reset it using the power and home keys and it restarted, got to the lock screen, and froze again. After repeating this several times to no avail I plugged it in and tried to reset it again and by doing this it will let me in. However, this is a great nuisence considering I do not carry a cord and computer with me. It has also on occasion got into this continuos loop of turing on, going to the loading screen, freezing, then shutting off. I have tried restoring it after which, the problem dissapeared for a day or two then it acted up again. There has not been any obvious water damage or drops. Please Help.