Wiring question

[Doc809]

Riding home Saturday morning (1:30am) and the front headlight goes out for about 3 minutes then comes back on.  I have a Cobra light bar wired into the system at the light that is on during low beam utilization and off during high beam.  Is there a heat sensor or something like that that would cause the light to go off?  It was hot riding even at 1:30am.  Or do I just need to check all the connections?  Did not have a problem the rest of the weekend.  Just seemed strange that it would do that and then come back on for the rest of the ride. TIA for suggestions.

[Robert]

Check the connections on the back of the bulb and the bulb itself I have had them flicker when going out.

[humshark]

It could be on it's way out. 

I have had bulb filaments break and then, a bounce or two later, they "weld" themselves back together for a period of time. 
1) Buy your spare bulbs now to have on hand
2) checked your connection behind the bulb