Flying to Singapore and back in November and was wondering if anyone has any good tips for surviving these long flights. I have good exit row seats and noise-cancelling headphones. Any other tips? I plan on showering at NRT on the stopover from SIN to ORD, but the layover from ORD to SIN at NRT is too short for that. Thanks.

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Greetings from the land of 10,000+1 lakes.