The Society for Actuaries has published a good resource: Managing post-retirement risks.
Many investors try to own some assets whose value may grow in times of inflation. However, this sometimes will trade inflation risk for investment risk.
• Common stocks have outperformed inflation in the long run, but are
poor short-term hedges. The historically higher returns from stocks
are not guaranteed and may vary greatly during retirement years.
Retirement planning should not rely heavily on income from a bridge job. Many retirees welcome the chance to change careers and move into an area with less pay but more job satisfaction, or with fewer demands on their time and energy.
Terminating employment before age 65 may make it difficult to find a source of affordable health insurance before Medicare is available.
Insurance for long-term care covers disabilities so severe that assistance is needed with daily activities such as bathing, dressing and eating. Some policies require a nursing home stay; others do not. The cost of long-term care insurance is much less if purchased at younger ages, well before anticipated need.
The full document is well worth reading.