This gene encodes transthyretin, one of the three prealbumins including alpha-1-antitrypsin, transthyretin and orosomucoid. Transthyretin is a carrier protein; it transports thyroid hormones in the plasma and cerebrospinal fluid, and also transports retinol (vitamin A) in the plasma.
6 Surprising Signs You Need More Sleep. You know the classic signs: You're dragging at work, you're yawning all day, you're sluggish and you swear you can actually hear your bed calling your name. You need to sleep. On the days when a fourth cup of coffee is masking the most obvious signs, you might think you've won the battle. But don't kid yourself.
Genetics and age affect how much sleep your body ultimately needs, so hereâs a simple way to see whatâs best for you: pick a two-week period such as a vacation and go to bed at the same time each night without an alarm set.hances are youâll sleep longer than usual at first if you have âsleep debtâ to cancel out, but toward the end of the second week, your body will establish a pattern of sleeping about the same amount every night. Thatâs how much sleep it needs. Now, many people know they should sleep more but simply canât.