If you are diagnosed with hypersomnia, your doctor can prescribe various drugs to treat it, including stimulants, antidepressants, as well as several newer medications (for example, Provigil and Xyrem).
You may have your 2015 RMD made payable directly to the charity (provided it meets the IRS definition of a qualified charity), and then designate it as a qualified charitable distribution on your tax return. You'll have satisfied your distribution requirement, and you won't have to pay income taxes on that money.
The answer is that gifts are not taxable. From 2007 the trust should have paid tax on dividends and interest and capital gains. When you roll over you will start getting those bills for the income. Unless these are retirement funds you should not have to pay a tax on the balance.