Caffeine also can reduce the amount of deep sleep that you enjoy. The effects of caffeine can occur even when you consume it earlier in the afternoon or evening. One study found that consuming caffeine 6 hours before bedtime reduced total sleep time by 1 hour. These effects also can be stronger in older adults.
Norwegian Air flies to destinations in Europe, North Africa, the Middle East, Thailand, the Caribbean and the US. Whether you are looking for a short city break, the beach, some snow or a long haul flight to a new exotic destination - Norwegian Airlines has the cheapest flights that won't empty your wallet.
Home > MileagePlus program > Earn Miles > Airline partners and global alliances > Airline Partner. SAS is the national airline of Denmark, Norway and Sweden. With hubs in Copenhagen, Helsinki, Oslo and Stockholm, SAS flies to more than 30 countries in Asia, Europe and North America. Earn MileagePlus miles on all qualifying SAS flights, as noted in the charts below.