1 doctor weighed in:

Arrived 2 days ago in Tokyo from London. I have been going to bed at midnight and normally wake up 2 hours later with pounding heart and anxiety.

1 doctor weighed in
Dr. Kenny Chuu
Internal Medicine

In brief: A few thoughts

Hi JoaoC, Sorry to hear you've been struggling with sleep.
Good sleep hygiene can be a challenge with international travel. Common causes for symptoms like this are subconscious stress, alcohol use before bed, nicotine withdrawal, caffeine withdrawal, in combination with drastic time changes. Here are some tips on sleeping better while traveling http://wb.md/2ovIrfk Hope this helps.

In brief: A few thoughts

Hi JoaoC, Sorry to hear you've been struggling with sleep.
Good sleep hygiene can be a challenge with international travel. Common causes for symptoms like this are subconscious stress, alcohol use before bed, nicotine withdrawal, caffeine withdrawal, in combination with drastic time changes. Here are some tips on sleeping better while traveling http://wb.md/2ovIrfk Hope this helps.
Dr. Kenny Chuu
Dr. Kenny Chuu
Thank
Get help from a real doctor now
Dr. Eric Weisman
Board Certified, Neurology
33 years in practice
9M people helped
Continue
111,000 doctors available
Read more answers from doctors