People now get one to two hours less sleep each night, on average, compared to 60 years ago. A primary reason for this is the proliferation of electronics, which also allows us to work (and play) later than ever before.
The Internal Revenue Service requires that individuals be able to produce records proving any income, deductions or credit claimed for at least three years from the date of a return, the statute of limitations for how long the I.R.S. has to assess additional tax if all income was reported correctly.
Keep records for 7 years if you file a claim for a loss from worthless securities or bad debt deduction.. Generally, the IRS can include returns in an audit filed within the last three years. Additional years can be added if a substantial error is identified. Essentially, if a substantial error is identified, the IRS will not go back more than the last six years. Additional Audit Info.