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.
Just like Edward, you want a good nightâs rest. Getting enough sleep helps you stay healthy and alert. But, many older people donât sleep well. If youâre always sleepy or you find it hard to get enough sleep at night, it may be time to see a doctor. Waking up every day feeling tired is a sign that you are not getting the rest you need.