Five months of severance. Take a month to prepare, or apply now?

A data scientist described being laid off after nearly four years at a large multinational company. It was their first layoff, and the package was five months of severance. They were considering spending one month preparing before beginning applications in earnest, and asked for guidance and leads for data-scientist or data-analyst positions. The source post records the uncertainty at the beginning of the search. It does not provide an eventual job offer or an outcome to that preparation plan.