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.
No, To much sleep will not pose health threats. However, increased need for sleep could be due to a health issue. Each person is different and requires a different amount of sleep. There is no certain amount of sleep that is bad for, beside no sleep. Worst thing I can think of is it would be hard on your biological clock. Studies prove that people with a sleep schedule, say bed at ten up at six, feel like they have gotten a better sleep and in general have better brain function.