1 The phase usually lasts up to 10 minutes.  You will be in light sleep in the second stage of a non-REM sleep. Your heart rate will come down and so will your body temperature. You will soon enter deep sleep phase.
Keep records for 3 years from the date you filed your original return or 2 years from the date you paid the tax, whichever is later, if you file a claim for credit or refund after you file your return. Keep records for 7 years if you file a claim for a loss from worthless securities or bad debt deduction. Keep records for 6 years if you do not report income that you should report, and it is more than 25% of the gross income shown on your return. Keep records indefinitely if you do not file a return.
4. Seven Year Rule for Record Retention(general rule). The rules on how long to keep financial records varies depending on what you are saving. For up to date tax filings, 7 years is a safe rule of thumb.Some people might say that is too long, but it is easier to follow this rule than to have to keep track how long you should keep different info.We suggest you keep tax returns for the life of your company. Scan them and save them both on and off site..or up to date tax filings, 7 years is a safe rule of thumb. Some people might say that is too long, but it is easier to follow this rule than to have to keep track how long you should keep different info. We suggest you keep tax returns for the life of your company. Scan them and save them both on and off site..