If the comfort u pillows are not around your area; there are alternatives which you can use as multiple pillows sewn together forming a long cushion resembling the comfort u pillow. Also you can use the pillow materials to with a casing that is long and sealed at both ends. The materials used in mattresses can substitute the one used in the original u pillows.
There are beds that come with in built speakers; this can take the place of the pillow speakers for have almost the same advantages over other options. The user does not need to wear head or earphones. If not so you can use the normal headphones and tack them under the pillow and listen to and sound you would wish.
Blindfold alternatives are limited and uncomfortable; one is to switch off the lights despite of their complaining from you colleagues or family which is very selfish or wear shades to bed. If possible you can use tint your windows or use low light bulbs that have low power consumption.
In the house you can prefer to stay bare footed or wear the bathroom slippers. Most of the men prefer open sandals or wearing socks in their house than the bunny slippers which are very feminine. The mentioned alternatives are not as effective and efficient as the modern or the mentioned aids but in cases where there is no way out then they can suffice.